Add the following lines to your podfile:
pod 'ElastosCarrierSDK' pod 'ElastosHiveSDK'
Add pods for eth, neo, etc
Then run the following command from your shell:
$ pod install
In the project navigator, select tab Build Phases in the specific TARGET item. Then click + button on the right-top corner to choose New Run Script Phase and expand it to add shell scripts as below: